Home / 4,257.33-6,385.68-1,335.60

Finding the Fourth Proportional to 4,257.33, 6,385.68 and 1,335.60

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Solution

The fourth proportional to 4,257.33, 6,385.68 and 1,335.60 is: 2,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.33 : 6,385.68 = 1,335.60 : x
  2. Step 2: Convert to fraction form
    4,257.33/6,385.68 = 1,335.60/x
  3. Step 3: Cross multiply
    4,257.33x = 6,385.68 × 1,335.60
  4. Step 4: Simplify right side
    4,257.33x = 8,528,714.21
  5. Step 5: Solve for x
    x = 8,528,714.21/4,257.33
  6. Step 6: Final answer
    x = 2,003.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.